CA1120150A - Dispositif de refroidissement pour memoire a disque mangetique tournant - Google Patents

Dispositif de refroidissement pour memoire a disque mangetique tournant

Info

Publication number: CA1120150A
Authority: CA; Canada
Prior art keywords: disc; magnetic; memory apparatus; spinning; shaft
Prior art date: 1978-04-25
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired

Application number

CA000324432A

Other languages

English (en)

Inventor

Robert G. Kaseta

Lenn Daugherty

Sigmund Hinlein

David Chastain

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

EMC Corp

Original Assignee

Data General Corp

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1978-04-25

Filing date

1979-03-29

Publication date

1982-03-16

1979-03-29 Application filed by Data General Corp filed Critical Data General Corp

1982-03-16 Application granted granted Critical

1982-03-16 Publication of CA1120150A publication Critical patent/CA1120150A/fr

Status Expired legal-status Critical Current

Links

230000005291 magnetic effect Effects 0.000 title claims abstract description 65
230000015654 memory Effects 0.000 title claims abstract description 32
238000009987 spinning Methods 0.000 title claims abstract description 21
238000001816 cooling Methods 0.000 title claims abstract description 19
230000033001 locomotion Effects 0.000 claims abstract description 30
230000008878 coupling Effects 0.000 claims abstract description 11
238000010168 coupling process Methods 0.000 claims abstract description 11
238000005859 coupling reaction Methods 0.000 claims abstract description 11
239000003570 air Substances 0.000 claims description 11
239000012080 ambient air Substances 0.000 claims description 7
230000005465 channeling Effects 0.000 claims 1
230000003287 optical effect Effects 0.000 abstract description 28
238000012545 processing Methods 0.000 abstract description 5
238000013016 damping Methods 0.000 abstract description 3
238000003780 insertion Methods 0.000 abstract description 3
230000008602 contraction Effects 0.000 abstract description 2
230000037431 insertion Effects 0.000 abstract description 2
230000004886 head movement Effects 0.000 abstract 1
229910052751 metal Inorganic materials 0.000 description 16
239000002184 metal Substances 0.000 description 16
238000005516 engineering process Methods 0.000 description 6
230000000694 effects Effects 0.000 description 5
238000004891 communication Methods 0.000 description 3
238000010276 construction Methods 0.000 description 3
230000006378 damage Effects 0.000 description 3
230000006872 improvement Effects 0.000 description 3
238000003754 machining Methods 0.000 description 3
238000000034 method Methods 0.000 description 3
229910000831 Steel Inorganic materials 0.000 description 2
238000007792 addition Methods 0.000 description 2
238000006073 displacement reaction Methods 0.000 description 2
230000006870 function Effects 0.000 description 2
230000013011 mating Effects 0.000 description 2
229920001296 polysiloxane Polymers 0.000 description 2
239000010959 steel Substances 0.000 description 2
208000036993 Frustration Diseases 0.000 description 1
102000015933 Rim-like Human genes 0.000 description 1
108050004199 Rim-like Proteins 0.000 description 1
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230000001133 acceleration Effects 0.000 description 1
230000004308 accommodation Effects 0.000 description 1
230000002411 adverse Effects 0.000 description 1
229910045601 alloy Inorganic materials 0.000 description 1
239000000956 alloy Substances 0.000 description 1
229910052782 aluminium Inorganic materials 0.000 description 1
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
230000008901 benefit Effects 0.000 description 1
230000005540 biological transmission Effects 0.000 description 1
230000007423 decrease Effects 0.000 description 1
230000000994 depressogenic effect Effects 0.000 description 1
229910000701 elgiloys (Co-Cr-Ni Alloy) Inorganic materials 0.000 description 1
239000012530 fluid Substances 0.000 description 1
230000006698 induction Effects 0.000 description 1
239000000463 material Substances 0.000 description 1
230000007246 mechanism Effects 0.000 description 1
230000002093 peripheral effect Effects 0.000 description 1
230000009467 reduction Effects 0.000 description 1
238000006722 reduction reaction Methods 0.000 description 1
230000004044 response Effects 0.000 description 1
238000000926 separation method Methods 0.000 description 1
230000009528 severe injury Effects 0.000 description 1
125000006850 spacer group Chemical group 0.000 description 1
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238000012546 transfer Methods 0.000 description 1

Classifications

- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/54—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head into or out of its operative position or across tracks
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
- G11B23/02—Containers; Storing means both adapted to cooperate with the recording or reproducing means
- G11B23/021—Containers; Storing means both adapted to cooperate with the recording or reproducing means comprising means for reducing influence of physical parameters, e.g. temperature change, moisture

Landscapes

Moving Of Heads (AREA)

CA000324432A 1978-04-25 1979-03-29 Dispositif de refroidissement pour memoire a disque mangetique tournant Expired CA1120150A (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US899,942		1978-04-25
US05/899,942 US4185310A (en)	1978-04-25	1978-04-25	Cooling apparatus for spinning magnetic disc memory apparatus

Publications (1)

Publication Number	Publication Date
CA1120150A true CA1120150A (fr)	1982-03-16

Family

ID=25411761

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000324432A Expired CA1120150A (fr)	1978-04-25	1979-03-29	Dispositif de refroidissement pour memoire a disque mangetique tournant

Country Status (2)

Country	Link
US (1)	US4185310A (fr)
CA (1)	CA1120150A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0055568A1 (fr) *	1980-12-23	1982-07-07	Rodime PLC	Système de compensation thermique pour une tête de lecture et d'écriture
US4638383A (en) *	1984-02-22	1987-01-20	Mcginlay James G	Micro hard-disk drive system
US4568988A (en) *	1984-02-22	1986-02-04	Rodime Plc	Micro hard-disk drive system
JPS60205873A (ja) *	1984-03-30	1985-10-17	インタ−ナショナル　ビジネス　マシ−ンズ　コ−ポレ−ション	磁気デイスク装置の磁気ヘツド位置温度補償機構

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3500363A (en) *	1966-07-11	1970-03-10	Singer Co	Scanning apparatus
US3518651A (en) *	1969-03-10	1970-06-30	Singer Co	Homing control for flying head of magnetic surface storage system
GB1486070A (en) *	1975-04-02	1977-09-14	Ibm	Magnetic disc file including a clean gas system
US4092687A (en) *	1976-09-07	1978-05-30	Sycor, Inc.	Disc file assembly
US4101945A (en) *	1976-09-07	1978-07-18	Sycor, Inc.	Drive spindle assembly for disc file

1978
- 1978-04-25 US US05/899,942 patent/US4185310A/en not_active Expired - Lifetime
1979
- 1979-03-29 CA CA000324432A patent/CA1120150A/fr not_active Expired

Also Published As

Publication number	Publication date
US4185310A (en)	1980-01-22

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Legal Events

Date	Code	Title	Description
1999-03-16	MKEX	Expiry